/*!	 timepointsdelete.cpp
**	 Delete the Time Points File
**
**	Copyright (c) 2004 Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "timepointsdelete.h"
#include <synfig/layers/layer_pastecanvas.h>
#include <synfigapp/canvasinterface.h>
#include <synfig/valuenodes/valuenode_dynamiclist.h>
#include <synfig/valuenodes/valuenode_animated.h>

#include "activepointremove.h"
#include "waypointremove.h"
#include <synfigapp/timegather.h>

#include <typeinfo>

#include <synfigapp/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;
using namespace synfigapp;
using namespace Action;

ACTION_INIT(Action::TimepointsDelete);
ACTION_SET_NAME(Action::TimepointsDelete, "TimepointsDelete");
ACTION_SET_LOCAL_NAME(Action::TimepointsDelete, N_("Delete Time Points"));
ACTION_SET_TASK(Action::TimepointsDelete, "delete");
ACTION_SET_CATEGORY(Action::TimepointsDelete, Action::CATEGORY_WAYPOINT | Action::CATEGORY_ACTIVEPOINT);
ACTION_SET_PRIORITY(Action::TimepointsDelete, 0);
ACTION_SET_VERSION(Action::TimepointsDelete, "0.0");
ACTION_SET_CVS_ID(Action::TimepointsDelete, "$Id$");

Action::TimepointsDelete::TimepointsDelete()
{
    set_dirty(false);
}

Action::ParamVocab
Action::TimepointsDelete::get_param_vocab()
{
    ParamVocab ret(Action::CanvasSpecific::get_param_vocab());

    ret.push_back(ParamDesc("addlayer", Param::TYPE_VALUE)
                  .set_local_name(_("New Selected Layer"))
                  .set_desc(_("A layer to add to our selected list"))
                  .set_supports_multiple()
                  .set_optional()
                 );

    ret.push_back(ParamDesc("addcanvas", Param::TYPE_CANVAS)
                  .set_local_name(_("New Selected Canvas"))
                  .set_desc(_("A canvas to add to our selected list"))
                  .set_supports_multiple()
                  .set_optional()
                 );

    ret.push_back(ParamDesc("addvaluedesc", Param::TYPE_VALUEDESC)
                  .set_local_name(_("New Selected ValueBase"))
                  .set_desc(_("A valuenode's description to add to our selected list"))
                  .set_supports_multiple()
                  .set_optional()
                 );

    ret.push_back(ParamDesc("addtime", Param::TYPE_TIME)
                  .set_local_name(_("New Selected Time Point"))
                  .set_desc(_("A time point to add to our selected list"))
                  .set_supports_multiple()
                 );

    return ret;
}

bool
Action::TimepointsDelete::is_candidate(const ParamList &x)
{
    if (!candidate_check(get_param_vocab(), x)) {
        return false;
    }

    if (x.find("addlayer") == x.end() &&
            x.find("addcanvas") == x.end() &&
            x.find("addvaluedesc") == x.end()) {
        return false;
    }

    return true;
}

bool
Action::TimepointsDelete::set_param(const synfig::String& name, const Action::Param &param)
{
    if (name == "addlayer" && param.get_type() == Param::TYPE_LAYER) {
        // add a layer to the list
        sel_layers.push_back(param.get_layer());

        return true;
    }

    if (name == "addcanvas" && param.get_type() == Param::TYPE_CANVAS) {
        // add a layer to the list
        sel_canvases.push_back(param.get_canvas());

        return true;
    }

    if (name == "addvaluedesc" && param.get_type() == Param::TYPE_VALUEDESC) {
        // add a layer to the list
        sel_values.push_back(param.get_value_desc());

        return true;
    }

    if (name == "addtime" && param.get_type() == Param::TYPE_TIME) {
        // add a layer to the list
        sel_times.insert(param.get_time());

        return true;
    }

    return Action::CanvasSpecific::set_param(name, param);
}

bool
Action::TimepointsDelete::is_ready()const
{
    if ((sel_layers.empty() && sel_canvases.empty() && sel_values.empty()) || sel_times.empty()) {
        return false;
    }

    return Action::CanvasSpecific::is_ready();
}

void
Action::TimepointsDelete::prepare()
{
    clear();

    if (sel_times.empty()) {
        return;
    }

    // all our lists should be set correctly...

    // build our sub-action list
    // 	and yes we do need to store it temporarily so we don't duplicate
    //		an operation on a specific valuenode, etc....
    timepoints_ref	match;

    {
        std::vector<synfig::Layer::Handle>::iterator i = sel_layers.begin(),
                                                     end = sel_layers.end();

        for (; i != end; ++i) {
            recurse_layer(*i, sel_times, match);
        }
    }

    {
        std::vector<synfig::Canvas::Handle>::iterator 	i = sel_canvases.begin(),
                                                        end = sel_canvases.end();

        for (; i != end; ++i) {
            recurse_canvas(*i, sel_times, match);
        }
    }

    {
        std::vector<synfigapp::ValueDesc>::iterator 	i = sel_values.begin(),
                                                        end = sel_values.end();

        for (; i != end; ++i) {
            recurse_valuedesc(*i, sel_times, match);
        }
    }

    // process them...
    {
        // must build from both lists
        timepoints_ref::waytracker::const_iterator 	i = match.waypointbiglist.begin(),
                                                    end = match.waypointbiglist.end();

        for (; i != end; ++i) {
            // iterate through each waypoint for this specific valuenode
            std::set<synfig::Waypoint>::const_iterator 	j = i->waypoints.begin(),
                                                        end = i->waypoints.end();

            for (; j != end; ++j) {
                Action::Handle action(WaypointRemove::create());

                action->set_param("canvas", get_canvas());
                action->set_param("canvas_interface", get_canvas_interface());
                action->set_param("value_node", ValueNode::Handle(i->val));
                action->set_param("waypoint", *j);

                // run the action now that we've added everything
                assert(action->is_ready());

                if (!action->is_ready()) {
                    throw Error(Error::TYPE_NOTREADY);
                }

                add_action_front(action);
            }
        }
    }
    {
        // must build from both lists
        timepoints_ref::acttracker::const_iterator 	i = match.actpointbiglist.begin(),
                                                    end = match.actpointbiglist.end();

        for (; i != end; ++i) {
            // iterate through each activepoint for this specific valuenode
            std::set<synfig::Activepoint>::const_iterator 	j = i->activepoints.begin(),
                                                            jend = i->activepoints.end();

            for (; j != jend; ++j) {
                Action::Handle action(ActivepointRemove::create());

                action->set_param("canvas", get_canvas());
                action->set_param("canvas_interface", get_canvas_interface());
                action->set_param("value_desc", i->val);
                action->set_param("activepoint", *j);

                // run the action now that everything should be in order
                assert(action->is_ready());

                if (!action->is_ready()) {
                    throw Error(Error::TYPE_NOTREADY);
                }

                add_action_front(action);
            }
        }
    }
}

void
Action::TimepointsDelete::perform()
{
    Action::Super::perform();
}